#!/bin/sh ### Parameters ### # Specify your email address here: email="" # Full path to 'smartctl' program: smartctl=/usr/local/sbin/smartctl freenashost=$(hostname -s | tr '[:lower:]' '[:upper:]') boundary="===== MIME boundary; FreeNAS server ${freenashost} =====" logfile="/tmp/smart_report.tmp" subject="SMART Status Report for ${freenashost}" tempWarn=40 tempCrit=45 sectorsCrit=10 testAgeWarn=1 warnSymbol="?" critSymbol="!" # We need a list of the SMART-enabled drives on the system. Choose one of these # three methods to provide the list. Comment out the two unused sections of code. # 1. A string constant; just key in the devices you want to report on here: #drives="/dev/da1 /dev/da2 /dev/da3 /dev/da4 /dev/da5 /dev/da6 /dev/da7 /dev/da8 /dev/ada0" # 2. A systcl-based technique suggested on the FreeNAS forum: #drives=$(for drive in $(sysctl -n kern.disks); do \ #if [ "$("${"$smartctl"}" -i /dev/${drive} | grep "SMART support is: Enabled" | awk '{print $3}')" ] #then printf ${drive}" "; fi done | awk '{for (i=NF; i!=0 ; i--) print $i }') # 3. A "$smartctl"-based function: get_smart_drives() { gs_smartdrives="" gs_drives=$("$smartctl" --scan | awk '{print $1}') for gs_drive in $gs_drives; do gs_smart_flag=$("$smartctl" -i "$gs_drive" | egrep "SMART support is:[[:blank:]]+Enabled" | awk '{print $4}') if [ "$gs_smart_flag" = "Enabled" ]; then gs_smartdrives="$gs_smartdrives $gs_drive" fi done echo "$gs_smartdrives" } drives=$(get_smart_drives) # end of method 3. ### Set email headers ### printf "%s\n" "To: ${email} Subject: ${subject} Mime-Version: 1.0 Content-Type: multipart/mixed; boundary=\"$boundary\" --${boundary} Content-Type: text/html; charset=\"US-ASCII\" Content-Transfer-Encoding: 7bit Content-Disposition: inline

" > ${logfile}

###### summary ######
(
 echo "########## SMART status report summary for all drives on server ${freenashost} ##########"
 echo ""
 echo "+------+------------------------+----+-----+-----+-----+-------+-------+--------+------+----------+------+-------+----+"
 echo "|Device|Serial                  |Temp|Power|Start|Spin |ReAlloc|Current|Offline |Seek  |Total     |High  |Command|Last|"
 echo "|      |Number                  |    |On   |Stop |Retry|Sectors|Pending|Uncorrec|Errors|Seeks     |Fly   |Timeout|Test|"
 echo "|      |                        |    |Hours|Count|Count|       |Sectors|Sectors |      |          |Writes|Count  |Age |"
 echo "+------+------------------------+----+-----+-----+-----+-------+-------+--------+------+----------+------+-------+----+"
) >> "$logfile"

for drive in $drives; do
  (
  devid=$(basename "$drive")
  lastTestHours=$("$smartctl" -l selftest "$drive" | grep "# 1" | awk '{print $9}')
  "$smartctl" -A -i -v 7,hex48 "$drive" | \
  awk -v device="$devid" -v tempWarn="$tempWarn" -v tempCrit="$tempCrit" -v sectorsCrit="$sectorsCrit" \
  -v testAgeWarn="$testAgeWarn" -v warnSymbol="$warnSymbol" -v critSymbol="$critSymbol" \
  -v lastTestHours="$lastTestHours" '
  /Serial Number:/{serial=$3}
  /190 Airflow_Temperature/{temp=$10}
  /194 Temperature/{temp=$10}
  /Power_On_Hours/{split($10,a,"+");sub(/h/,"",a[1]);onHours=a[1];}
  /Start_Stop_Count/{startStop=$10}
  /Spin_Retry_Count/{spinRetry=$10}
  /Reallocated_Sector/{reAlloc=$10}
  /Current_Pending_Sector/{pending=$10}
  /Offline_Uncorrectable/{offlineUnc=$10}
  /Seek_Error_Rate/{seekErrors=("0x" substr($10,3,4));totalSeeks=("0x" substr($10,7))}
  /High_Fly_Writes/{hiFlyWr=$10}
  /Command_Timeout/{cmdTimeout=$10}
  END {
      testAge=sprintf("%.0f", (onHours - lastTestHours) / 24);
      if (temp > tempCrit || reAlloc > sectorsCrit || pending > sectorsCrit || offlineUnc > sectorsCrit)
          device=device " " critSymbol;
      else if (temp > tempWarn || reAlloc > 0 || pending > 0 || offlineUnc > 0 || testAge > testAgeWarn)
          device=device " " warnSymbol;
      seekErrors=sprintf("%d", seekErrors);
      totalSeeks=sprintf("%d", totalSeeks);
      if (totalSeeks == "0") {
          seekErrors="N/A";
          totalSeeks="N/A";
      }
      if (temp > tempWarn || temp > tempCrit)
         temp=temp"*"
      else
         temp=temp" "

      if (reAlloc > 0 || reAlloc > sectorsCrit)
         reAlloc=reAlloc"*"
      
      if (pending > 0 || pending > sectorsCrit)
         pending=pending"*"

      if (offlineUnc > 0 || offlineUnc > sectorsCrit)
         offlineUnc=offlineUnc"*"

      if (testAge > testAgeWarn)
         testAge=testAge"*"
      
      if (hiFlyWr == "") hiFlyWr="N/A";
      if (cmdTimeout == "") cmdTimeout="N/A";
      printf "|%-6s|%-24s| %3s|%5s|%5s|%5s|%7s|%7s|%8s|%6s|%10s|%6s|%7s|%4s|\n",
      device, serial, temp, onHours, startStop, spinRetry, reAlloc, pending, offlineUnc,
      seekErrors, totalSeeks, hiFlyWr, cmdTimeout, testAge;
      }'
  ) >> "$logfile"
done

(
  echo "+------+------------------------+----+-----+-----+-----+-------+-------+--------+------+----------+------+-------+----+"
) >> "$logfile"

###### for each drive ######
for drive in $drives; do
  brand=$("$smartctl" -i "$drive" | grep "Model Family" | awk '{print $3, $4, $5, $6, $7}')
  if [ -z "$brand" ]; then
    brand=$("$smartctl" -i "$drive" | grep "Device Model" | awk '{print $3, $4, $5, $6, $7}')
  fi
  serial=$("$smartctl" -i "$drive" | grep "Serial Number" | awk '{print $3}')
  (
  echo ""
  echo "########## SMART status report for $drive drive (${brand}: ${serial}) ##########"
  "$smartctl" -n never -H -A -l error "$drive"
  "$smartctl" -n never -l selftest "$drive" | grep "# 1 \\|Num" | cut -c6-
  ) >> "$logfile"
done

sed -i '' -e '/smartctl 7.*/d' "$logfile"
sed -i '' -e '/smartctl 6.*/d' "$logfile"
sed -i '' -e '/smartctl 5.*/d' "$logfile"
sed -i '' -e '/smartctl 4.*/d' "$logfile"
sed -i '' -e '/Copyright/d' "$logfile"
sed -i '' -e '/=== START OF READ/d' "$logfile"
sed -i '' -e '/SMART Attributes Data/d' "$logfile"
sed -i '' -e '/Vendor Specific SMART/d' "$logfile"
sed -i '' -e '/SMART Error Log Version/d' "$logfile"

printf "%s\n" "

--${boundary}--" >> ${logfile} ### Send report ### if [ -z "${email}" ]; then echo "No email address specified, information available in ${logfile}" else sendmail -t -oi < "$logfile" rm "$logfile" fi